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The Auk Volume 86, Number 2 April, 1969 |
AN ENDANGERED OSPREY POPULATION: ESTIMATES OF MORTALITY AND PRODUCTION (DjVu | PDF)
CHARLES J. HENNY, HOWARD M. WIGHT , 188-198
A COMPARATIVE STUDY OF THE LE CONTE'S AND SHARP-TAILED SPARROWS (DjVu | PDF)
BERTRAM G. MURRAY, JR. , 199-231
VARIATION IN THE EGGS OF THE SHAG (PHALACROCORAX ARISTOTELIS) (DjVu | PDF)
J. C. COULSON, G. R. POTTS, JEAN HOROBIN , 232-245
SHAPES OF BIRDS' EGGS: EXTANT NORTH AMERICAN FAMILIES (DjVu | PDF)
F. W. PRESTON , 246-264
THE SOUTHERN RACES OF THE WHITE-THROATED SPADEBILL (PLATYRINCHUS MYSTACEUS) (DjVu | PDF)
LESTER L. SHORT , 265-270
FOODS OF ROCK AND WILLOW PTARMIGAN IN CENTRAL ALASKA WITH COMMENTS ON INTERSPECIFIC COMPETITION (DjVu | PDF)
ROBERT B. WEEDEN , 271-281
NESTING COLONIES OF ROSS' GOOSE (DjVu | PDF)
JOHN P. RYDER , 282-292
AVIAN DISTRIBUTION IN CENTRAL AMERICA (DjVu | PDF)
THOMAS R. HOWELL , 293-326
A STUDY OF NONFAT WEIGHTS IN MIGRATING SWAINSON'S THRUSHES (HYLOCICHLA USTULATA) (DjVu | PDF)
GEORGE I. CHILD , 327-338
GENERAL NOTES
Indian House Sparrow Attacks Grass Snake (DjVu | PDF)
S. N. SEN GUPTA , Page 339
Laysan Albatrosses Swallow Indigestible Matter (DjVu | PDF)
KARL W. KENYON, EUGENE KRIDLER , 339-343
Arteries in the Heart Region of the Greater Shearwater (DjVu | PDF)
ROBERT E. GOBEIL , 343-345
First Record of Smith's Longspur in Connecticut (DjVu | PDF)
WALTER BULMER , Page 345
New Records of Wood Warblers in New Mexico (DjVu | PDF)
DALE A. ZIMMERMAN , 346-347
Siberian Crane Longevity (DjVu | PDF)
MALCOLM DAVIS , Page 347
A test to Determine if Bobwhite Quail Hunt Crickets by Sound (DjVu | PDF)
J. J. WHITESELL, T. J. WALKER , 348-349
Swimming Ability of Willow Warbler (DjVu | PDF)
ERWIN R. SCHERNER , Page 350
Apparent Hybridization between Snow Bunting and McKay's Bunting on St. Lawrence Island, Alaska (DjVu | PDF)
SPENCER G. SEALY , 350-351
Extra Toes on a Sooty Tern Chick (DjVu | PDF)
OLIVER L. AUSTIN, JR. , Page 352
Red Crossbill Breeding in Minnesota (DjVu | PDF)
OSCAR W. JOHNSON , 352-353
Notes on Fossil Hawks (Accipitridae) (DjVu | PDF)
JOEL CRACRAFT , 353-354
A Black-capped Chickadee Variant (DjVu | PDF)
RICHARD J. LOW , 354-355
Diving Times of the Least Grebe and Masked Duck (DjVu | PDF)
DONALD A. JENNI , 355-356
White-tailed Tropic-bird, an Addition to the Philippine Avifauna (DjVu | PDF)
PIERCE BRODKORB, RODOLFO B. GONZALEZ, DOMINGO EMPESO , Page 357
Survival of Ruffed Grouse Eggs after 24-hour Abandonment (DjVu | PDF)
RICHARD S. STOTT, R. B. BRANDER , Page 357
Pygmy Owl Attacks California Quail (DjVu | PDF)
THOMAS G. BALGOOYEN , Page 358
PERIODICAL LITERATURE (DjVu | PDF)
372-391
NOTES AND NEWS (DjVu | PDF)
391-392
Cover to Cover (DjVu)
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Blair
O. Wolf, SORA Coordinator American Ornithologists' Union |
